package main

import "fmt"

func goGrammar() {
	var s string
	scan, err := fmt.Scanln(&s)
	if err != nil {
		return
	}
	fmt.Println(scan)
	fmt.Println(s)

	testSymbol()
}

func testSymbol() {

	const constName = 10
	fmt.Println(constName)

	const (
		C1 = iota<<2*3 + 1
		C2
		_
		C4
	)

	fmt.Println(2*3 + 1)
	fmt.Println(C4)

}

func testFunc() {

}
